An AS400 job randomly goes into an “ENDED_VANISHED” status. even though the job's script has completed successfully.
This is a bug in the AS400 Agent where jobs cannot be tracked after the Agent restarts.
This issue has been confirmed as a bug and is fixed in the following versions:
Automation Engine 12.1.4 - Available for Download
Automation Engine 12.3.0 - planned release for June 28, 2019
Automation Engine 12.2.2 - planned release for February 28, 2019